The simplest advice I ever got was: spend less than you earn and invest the difference. Sounds obvious but most Americans don't do it. Track every dollar you spend for a month — you'll be shocked where your money goes.

I made this exact mistake when I was younger and it cost me. Learn from others instead of learning the hard way. The personal finance section of any bookstore has dozens of books — they mostly say the same sensible things for a reason.

If your employer offers a 401k match, contribute at LEAST enough to get the full match. That's free money — like a 100% instant return. Skipping the match is leaving thousands of dollars on the table every single year. Do that before anything else.

The biggest financial mistake I see people make is not having an emergency fund. Before investing, before paying extra on debt, save 3-6 months of expenses in a savings account. This protects you from going into debt when unexpected things happen.

Talk to a fee-only financial advisor, not one who earns commissions on products they sell you. The commission-based advisors have an incentive to recommend products that benefit them, not you. A fee-only advisor charges a flat rate.

Pay off your highest-interest debt first — that's almost always credit cards at 18-22%. There's no investment that reliably beats paying off an 18% credit card. It's a guaranteed return. Knock that out before you even think about the stock market.

I'm not a financial advisor but I've learned a lot from personal experience. The most important thing is to start early and be consistent. Even small amounts add up over time thanks to compound interest. Don't try to time the market.